Mark D Zeglis, MD - Medicare Gastroenterology in Ypsilanti, MI

Mark D Zeglis, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Ypsilanti, Michigan. He went to University Of Michigan Homeopathic Medical School and graduated in 2001 and has 23 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Huron Gastroenterology Associates P.c. and his current practice location is 5300 Elliott Dr, Ypsilanti, Michigan. You can reach out to his office (for appointments etc.) via phone at (734) 434-6262.

Mark D Zeglis is licensed to practice in Michigan (license number 4301083313) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1497898233.

Contact Information

Mark D Zeglis, MD
5300 Elliott Dr,
Ypsilanti, MI 48197-8632
(734) 434-6262
(734) 712-2820

Map and Direction




Physician's Profile

Full NameMark D Zeglis
GenderMale
SpecialityGastroenterology
Experience23 Years
Location5300 Elliott Dr, Ypsilanti, Michigan
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark D Zeglis attended and graduated from University Of Michigan Homeopathic Medical School in 2001
  NPI Data:
  • NPI Number: 1497898233
  • Provider Enumeration Date: 02/14/2007
  • Last Update Date: 01/14/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 3476653858
  • Enrollment ID: I20070713000697

Medical Identifiers

Medical identifiers for Mark D Zeglis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497898233NPI-NPPES
0H14989OtherMIBCBS GROUP
5175340MedicaidMI
6U10025OtherMIHAP
P00615775OtherMIMEDICARE RAILROAD PTAN
0814548OtherMIBCBS INDIVIDUAL
7489887OtherMIAETNA
3902640OtherMICIGNA
025100OtherMIMIDWEST HEALTH PLAN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 4301083313 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Joseph Mercy HospitalAnn arbor, MIHospital
St Joseph Mercy ChelseaChelsea, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Huron Gastroenterology Associates P.c.084028822167

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mark D Zeglis allows following entities to bill medicare on his behalf.
Entity NameHuron Gastroenterology Associates P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144335639
PECOS PAC ID: 0840288221
Enrollment ID: O20040504001055
Entity NameSt Mary Mercy Hospital Professional
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528145554
PECOS PAC ID: 2365521226
Enrollment ID: O20080502000426

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mark D Zeglis is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mark D Zeglis, MD
5300 Elliott Dr,
Ypsilanti, MI 48197-8632

Ph: (734) 434-6262
Mark D Zeglis, MD
5300 Elliott Dr,
Ypsilanti, MI 48197-8632

Ph: (734) 434-6262

Reviews and Comments


Internal Medicine Doctors in Ypsilanti, MI

Bretton Lee Schloesser, M.D.
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Rajiv Doddamani,
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Michael Sanson, M.D.
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Phone: 734-712-1300    Fax: 734-222-3665
Dr. Stephanie Joy-kraftson Hoffman, MD
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Medicare: Accepting Medicare Assignments
Practice Location: Iha Hematology Oncology, 5303 Elliott Drive, Suite 210, Ypsilanti, MI 48197
Phone: 734-712-1000    Fax: 734-712-1012

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.